Finding the Fourth Proportional to 1,689,446.07, 2,331,462.02 and 925,449.21
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Solution
The fourth proportional to 1,689,446.07, 2,331,462.02 and 925,449.21 is: 1,277,134.39
Step by Step Solution
- Step 1: Write the proportion equation
1,689,446.07 : 2,331,462.02 = 925,449.21 : x - Step 2: Convert to fraction form
1,689,446.07/2,331,462.02 = 925,449.21/x - Step 3: Cross multiply
1,689,446.07x = 2,331,462.02 × 925,449.21 - Step 4: Simplify right side
1,689,446.07x = 2,157,649,679,926.76 - Step 5: Solve for x
x = 2,157,649,679,926.76/1,689,446.07 - Step 6: Final answer
x = 1,277,134.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.